查询词典 aluminum

It is possible to produce low-titanium aluminum alloy directly. Three months of periods of industrial test for production low-titanium aluminum alloy was conducted using the 80kA prebake electrolysis cells. The test results showed that the electrolysis cell can work stably, and the effect of TiO2 added into electrolyte on electrolytic process parameters, current efficiency, consumes of materials and energyare trifling. The titanium content in alloys is stable and the absorbility of Ti is high. The microstructure of electrolytic low-titanium aluminum alloy is homogeneous. The grain refinement effect is excellent comparing with that of alloys added titanium by melting Al-Ti master alloys and both alloys have the same grain refinement trend.

在80KA中型预焙电解槽上进行了为期三个月的低钛铝合金的工业试验，结果表明，电解槽工作状态稳定，TiO_2的加入对电解槽的主要工艺参数、电流效率、物料和能源消耗影响不大，合金的钛含量稳定，钛的吸收率高；所生产的电解低钛铝基合金的微观组织均匀，晶粒细化效果好，与熔配加钛的细化规律相同。

Aluminum/copper clad composite is produced by the method of aluminum/copper clad extrusion.In actual production,the interface between copper and aluminum separated from each other because of the untight bonding.

铜包铝线通常采用铜包覆铝坯料进行挤压生产，但实际生产中常出现因铜、铝固相结合不紧密而导致铜、铝界面分离的现象，为改善产品质量，提出采用低压压铸-冷挤压法加工制备铜包铝线。

The second consideration is properly connecting the ends of the aluminum magnet wire. The reason for this goes back to your high school chemistry course. You may remember that aluminum oxidizes much faster than other metals—in fact, if exposed to air, powdered aluminum will completely oxidize in a few days, forming a fine white powder.

第二个需要考虑的是铝漆包线的正确的端接，其原因你可以回忆一下你高中的的化学课程，你应该还记得铝比是其他金属更容易氧化的，如果暴露在空气中，铝粉会在几天内完全氧化，变成了很细的白色粉末。

To correct the variation resulting from exposure condition, an aluminum stepwedge was exposed simultaneously. By referring the image of aluminum stepwedge on each radiograph the equivalent aluminum thickness and corrected gray level intensity of the ROIs could be calculated as indicators of alveolar bone density. Nineteen specimens containing different amounts of hydroxy-phosphorite were radiographed.

用计算机测量定位投照的直接数字化牙片上感兴趣区(region of interest， ROI)的灰度，拍片时将一个铝制梯级同时曝光，根据已知的铝梯灰度和厚度推算ROI区灰度所对应的等效铝厚度和校正灰度来反映骨密度，从而校正由于投照条件差异造成的灰度误差。

The thermatic fibrous sepiolites are ones of rich Magnesium,richened with Magnesium,silicon and few Aluminum,and the sedimentary clayey sepiolites are ones of rich Aluminum,have lower Magnesium,Silicon and higher Aluminum.

本文通过两种不同成因海泡石化学成分特征的研究发现，热液型海泡石和沉积型海泡石的化学组成有较大差异，热液型纤维状海泡石MgO、SiO2含量高，Al2O3含量低，为富镁海泡石；沉积型粘土状海泡石MgO、SiO2含量低，Al2O3含量高，为富铝海泡石。

Produces 1- aluminum foil volume 2- clear plastic wrap volume 3- aluminum tinsels and the ramming each kind of heterogeneous type aluminum tinsel, the registered trademark is "DuLi" and "DuLe" the brand.

生产1-铝箔卷2-保鲜膜卷3-铝箔片及冲压各种异型铝箔片，注册商标为&都利&和&都乐&品牌。

In order to study the aldol condensation of 2.15-hexadecanedione on the surface of aluminium, the intermolecular condensation mechanism of acetone occurring on aluminum was simulated by using semi-empirical AM1 method embodied in MOPAC 6.0 program package. The optimized structures and geometry parameters of 5 transition complexes and 4 intermediates were given.First, 2 molecules of acetone coordinated with aluminum by electrostatic attraction.One atom of hydrogen of acetone migrated to aluminum because of t...

为了研究2，15－十六烷二酮在氧化铝表面的环合机理，选择小分子丙酮为模型化合物，用量子化学半经验AM1方法研究双分子丙酮在氧化铝表面的醛醇缩合机理，给出了反应过程中的5个过渡态和4个中间体的结构和几何参数，该催化反应可以认为是氧化铝分子与两分子丙酮分子发生静电络合作用，然后借助氧原子的负电荷导致脱氢并实现缩合，根据中间体的能量变化，推测有较稳定的铝复合物生成。

First, 2 molecules of acetone coordinatedwith aluminum by electrostatic attraction . One atom of hydrogen ofacetone migrated to aluminum because of the pulling of the negativeoxygen of aluminum, and then aldol condensation occured.

该催化反应可以认为是氧化铝分子与两分子丙酮分子发生静电络合作用，然后借助氧原子的负电荷导致脱氢并实现缩合。

Experiments and tests that the subject of study by the surface treatment of aluminum alloy materials is feasible, through this research projects in the successful solution of a combination of aluminum alloy plating, electroplating gold after the aluminum parts of its corrosion resistance, electrical conductivity and Brazing performance has been greatly increased.

实验和测试证明本课题所研究的铝合金材料的表面处理方法是可行的，通过本课题的研究，成功的解决了铝合金电镀结合力问题，经过电镀金后的铝合金零件其耐蚀性，导电性和钎焊性能也大大提高。

Industrial Painting (alcohol-based paint), cadmium, magnesium, lead, zinc (galvanized except for a small amount of surface), aluminum (A plate of aluminum and aluminum except for treatment), natural rubber, leather, cork, the general filter paper, asbestos, etc..

工业油漆、镉、镁、铅、锌、铝（铝合金及阿板化处理后的铝除外）、天然橡胶、皮革、软木、一般滤纸、石棉等。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了